Lever-Type Connector

The embodiments of the present invention relate to a lever-type connector.

Priority is claimed on Japanese Patent Application No. 2024-210041 filed in Japan on December 3, 2024, the content of which is incorporated herein by reference.

As the lever-type connector, for example, lever-type connectors disclosed in Patent Document 1 and Patent Document 2 are known. In this lever-type connector, a lever is movably provided in a housing, and the lever is moved from an initial position to a mating position in a state where the housing is mated with another housing.

Patent Document 1: Japanese Unexamined Patent Application, First Publication No. 2018-206648

Patent Document 2: Japanese Unexamined Patent Application, First Publication No. 2019-8915

However, in the lever-type connectors of Patent Document 1 and Patent Document 2, for example, when the lever is assembled to the housing, the lever is assembled to the housing in a state where the lever is disposed between the initial position and the mating position. With such a constitution, for example, when the mating of the housing is assisted by moving the lever from the initial position to the mating position, it may be difficult to secure the lever in a state of being held on the housing.

An embodiment provides a lever-type connector capable of enhancing the retention of the lever with respect to the housing.

According to an embodiment, there is provided a lever-type connector including: a housing that is capable of being mated with another housing; and a lever that is assembled to the housing and is movable from an initial position before start of mating with the another housing to a mating position after completion of the mating, in which the lever includes a restricting portion that is capable of being assembled to the housing at an assembly position of the housing and is capable of restricting movement from the initial position to the assembly position, the housing includes a locking arm that is elastically deformable in response to the restricting portion, and the locking arm includes a locking portion that protrudes toward the restricting portion and is capable of abutting an edge portion of the restricting portion in a state where the lever is disposed at the initial position, and an inclined surface that tapers the locking portion and is capable of abutting the edge portion of the restricting portion in a state where the lever is disposed at the assembly position.

According to the embodiment, it is possible to enhance the retention of the lever with respect to the housing.

Hereinafter, embodiments will be described with reference to the drawings. In the following description, constitutions having the same or similar functions are denoted by the same reference numbers. Redundant descriptions of these constitutions may be omitted. The constitutions which will be described below do not limit the scope of the embodiment.

1 FIG. 1 200 200 1 2 3 As illustrated in, a lever-type connectorcan be connected to a male housing, for example, by being mated with the male housingas another housing. The lever-type connectorincludes, for example, a housingand a lever.

2 200 2 2 200 26 11 11 27 26 2 200 2 200 2 2 The housingis, for example, a female housing that can be mated with the male housingin a first axial direction. The first axial direction is an axial direction of the housing. The housingis mated with the male housingfrom an openingof a housing body. In the housing body, an electric wireextends from the opposite side of the openingin the first axial direction. When the housingis mated with the male housing, the terminal of the housingis connected to the terminal of the male housing. In the first embodiment, the housingwill be described by using a female housing as an example, but the housingmay be a male housing.

2 3 FIGS.and 3 2 3 15 2 3 1 2 15 3 2 2 3 2 1 As illustrated in, the leveris disposed so as to straddle the housing. The leveris rotatably attached to a pair of support bosses(one support boss is illustrated) provided on the housing. The leveris movable from an assembly position Pto an initial position Pabout the pair of support bosses. The leveris movable from the initial position Pto a mating position (not illustrated), and is movable from the mating position to the initial position P. The leveris restricted from moving from the initial position Pto the assembly position P.

1 3 2 2 3 2 200 200 3 2 200 200 The assembly position Pis a position where the leveris assembled to the housing. The initial position Pis a position of the leverin a state before the housingis mated with the male housing(a position before the start of mating with the male housing). The mating position is a position of the leverin a state after the housingis mated with the male housing(a position after the completion of mating with the male housing).

In the present disclosure, an X direction, a +X direction, a -X direction, a Y direction, a +Y direction, a -Y direction, a Z direction, a +Z direction, and a -Z direction are defined as follows.

2 15 26 11 26 The X direction is a direction orthogonal to the first axial direction of the housingand a direction along a second axial direction of the pair of support bosses. The +X direction is a direction on the left side in the X direction as viewed from the openingof the housing body. The -X direction is a direction on the right side in the X direction as viewed from the opening. Hereinafter, the +X direction and the -X direction are simply referred to as “X direction” in a case where they are not distinguished from each other.

2 26 11 26 The Y direction is the first axial direction of the housing. The +Y direction is a direction of the openingof the housing bodyin the Y direction. The -Y direction is a direction on the side opposite the openingin the Y direction. Hereinafter, the +Y direction and the -Y direction are simply referred to as “Y direction” in a case where they are not distinguished from each other.

42 3 42 3 The Z direction is a direction intersecting the X direction and the Y direction. The +Z direction is a direction on the side where a connection portionof the leveris disposed. The -Z direction is a direction opposite the side where the connection portionof the leveris disposed. Hereinafter, in a case where the +Z direction and the -Z direction are not distinguished, the directions are simply referred to as “Z direction”.

2 1 Hereinafter, the +X direction side may be referred to as “left”, the -X direction side may be referred to as “right”, the +Y direction may be referred to as “front”, and the -Y direction may be referred to as “rear”. The +Z direction side may be referred to as “upper”, and the -Z direction side may be referred to as “lower”. The first axial direction of the housingmay be simply referred to as a “first axial direction”. However, these expressions are expressions for convenience of description, and do not limit the attachment orientation of the lever-type connector.

2 A detailed constitution of the housingwill be described.

1 5 FIGS.to 2 11 12 13 14 15 12 13 14 15 12 13 14 15 12 13 14 15 12 13 14 15 As illustrated in, the housingincludes, for example, a housing body, a pair of locking arms, a pair of restraining walls, a pair of stoppers, and a pair of support bosses. The pair of locking arms, the pair of restraining walls, the pair of stoppers, and the pair of support bossesare each bilaterally symmetrical members. Hereinafter, the right member of each of the pair of locking arms, the pair of restraining walls, the pair of stoppers, and the pair of support bosseswill be described, and the description of the left member will be omitted. The right locking arm, the right restraining wall, the right stopper, and the right support bosswill be collectively referred to as a “locking arm”, a “restraining wall”, a “stopper”, and a “support boss”, respectively.

11 21 22 23 24 21 22 21 23 21 11 21 22 23 11 26 11 26 11 200 1 FIG. 1 FIG. a The housing bodyincludes a pair of side walls, a top portion, a bottom portion, and a flange portion. The pair of side wallsare disposed apart from each other in a left-right direction. The top portionconnects the upper sides of the pair of side walls. The bottom portionconnects the lower sides of the pair of side walls. The housing bodyis formed in a substantially rectangular frame cross section by the pair of side walls, the top portion, and the bottom portion. The housing bodyhas an opening(see) at a front end portion. The openingof the housing bodycan be mated with the male housing(see).

11 24 11 24 11 11 11 21 21 21 21 21 21 a a The housing bodyhas the flange portionat the front end portion. The flange portionprotrudes from the front end portionof the housing bodytoward the outside of the housing body. The pair of side wallsare bilaterally symmetrical members. Hereinafter, the pair of side wallswill be described with reference to the right side wall, and the description of the left side wallwill be omitted. The right side wallwill be referred to as a “side wall”.

5 6 FIGS.and 12 24 12 11 25 21 22 12 31 32 33 31 24 25 31 51 52 31 31 31 31 31 31 31 31 31 31 31 31 a a b c d e b c d e As illustrated in, each of the locking armsis provided on the flange portion. The locking armis disposed outside the housing bodywith a spacing from an intersection portionbetween the side walland the top portion. The locking armincludes an arm body, a locking portion, and an inclined surface. The arm bodyextends rearward, for example, from the rear surface of the flange portionalong the intersection portion. The arm bodyis an elastically deformable member corresponding to a restricting portion(specifically, a first edge portion) to be described later. The arm bodyis elastically deformable with the proximal end portionas a fulcrum. The arm bodyhas, for example, an outer surface, an inner surface, an upper surface, and a lower surface. The arm bodyis formed in a rectangular cross section by, for example, the outer surface, the inner surface, the upper surface, and the lower surface.

32 31 32 31 25 31 32 51 32 32 31 31 32 32 31 31 33 32 33 32 31 31 33 c a d b e f For example, the locking portionis integrally provided at the distal end portion of the arm body. The locking portionprotrudes from the inner surfacetoward the intersection portionat the distal end portion of the arm body. The locking portionprotrudes toward the restricting portionto described later. For example, the upper surfaceof the locking portionis formed to be flush with the upper surfaceof the arm body. For example, the lower surfaceof the locking portionis formed to be flush with the lower surfaceof the arm body. The inclined surfaceis provided at the distal end of the locking portion. The inclined surfaceis formed such that the locking portionis tapered toward the distal edgeof the arm bodyin plan view. The inclination angle of the inclined surfacecan be arbitrarily adjusted.

4 5 7 FIGS.,and 13 24 13 24 21 13 13 21 11 13 12 2 17 13 12 13 13 31 31 24 a a As illustrated in, each of the restraining wallsis provided on the flange portion. The restraining wallextends rearward, for example, from the rear surface of the flange portionalong the side wall. The restraining wallis, for example, a flat plate-like portion. The restraining wallis disposed with a spacing from the side walltoward the outside of the housing body. The restraining wallis disposed below the locking armwith a spacing. That is, the housinghas, for example, a first slit (first groove)between the restraining walland the locking arm. The proximal end portionof the restraining wallis disposed continuously with the proximal end portionof the arm bodyvia the flange portion.

13 21 51 3 2 13 51 52 3 FIG. The restraining wallis located on the side opposite the side wallwith respect to the restricting portionto be described later in a state where the leveris disposed at the initial position P(see). The restraining wallis disposed so as to overlap the restricting portion(specifically, a first restricting portion) in the left-right direction.

4 5 FIGS.and 14 24 25 14 24 31 14 25 11 14 13 12 14 12 2 18 13 12 18 18 17 17 a a As illustrated in, for example, each of the stoppersis provided on the flange portionand the intersection portion. The stopperextends rearward, for example, from the rear surface of the flange portionalong the arm body. The stopperis disposed with a spacing from the intersection portiontoward the outside of the housing body. The stopperis disposed on the side opposite the restraining wallwith respect to the locking armin the vertical direction. The stopperis disposed above the locking armwith a spacing. That is, the housinghas, for example, a second slit (second groove)between the restraining walland the locking arm. The bottom portionof the second slitis located rearward in the first axial direction with respect to the bottom portionof the first slit.

18 18 17 17 17 18 12 a a In the first embodiment, an example in which the bottom portionof the second slitis located rearward with respect to the bottom portionof the first slitwill be described, but the present invention is not limited thereto. As another example, for example, the first slitand the second slitmay be formed vertically symmetrically with respect to the locking arm.

2 4 FIGS.to 15 21 21 15 21 15 3 a a As illustrated in, each of the support bossesis provided at the center in the vertical direction at the rear end portionof the side wall. The support bossprotrudes outward from the center of the rear end portionin the vertical direction. The support bossrotatably supports the lever.

3 A detailed constitution of the leverwill be described.

1 4 FIGS.and 3 41 42 41 11 41 42 3 41 42 41 11 42 3 As illustrated in, the leverincludes, for example, a pair of leg portionsand a connection portion. The pair of leg portionsis disposed on the left and right sides of the housing body. The upper ends of the pair of leg portionsare connected by the connection portion. The leverhas a substantially U shape as the upper ends of the pair of leg portionsare connected by the connection portion. The pair of leg portionsare disposed in a state of interposing the housing bodytherebetween. The connection portionis, for example, a portion on which an operating force acts when the leveris operated.

41 44 44 44 41 41 44 15 3 15 11 44 15 3 1 2 15 42 41 41 41 41 41 41 a 2 FIG. 3 FIG. The pair of leg portionsrespectively have support holes(the right support holeis illustrated). Each of the support holesis located at the rear portionof the leg portion. The support holeis assembled by being mated with the support boss. The leveris rotatably supported by the support bosses(that is, the housing body) by assembling the support holesto the support bosses. For example, the leveris movable to the assembly position P(see), the initial position P(see), and the mating position with the support bossesas an axis by applying an operating force to the connection portion. The pair of leg portionsare bilaterally symmetrical members. Hereinafter, the pair of leg portionswill be described with reference to the right leg portion, and the description of the left leg portionwill be omitted. The right leg portionwill be referred to as a “leg portion”.

2 4 FIGS.to 41 51 51 41 41 44 41 41 51 44 44 15 51 44 15 b a As illustrated in, the leg portionincludes a restricting portion. The restricting portionis disposed at the front portionof the leg portion. The support holeis located at the rear portionof the leg portion. That is, the restricting portionis located on the opposite side of the support hole. The support holeis mated with the support boss. With such a constitution, the restricting portionis located on the opposite side of the support holeand the support boss.

51 51 11 41 41 41 51 13 21 51 12 25 51 14 25 a d c 7 FIG. 6 FIG. The surfaceof the restricting portionis a flat surface having a stepped recess on the housing bodyside with respect to the surfaceof the main portionin the leg portion. The restricting portioncan be inserted into a space between the restraining walland the side wall(see also). The restricting portioncan be inserted into a space between the locking armand the intersection portion(see also). The restricting portioncan be inserted into a space between the stopperand the intersection portion.

51 52 53 52 53 52 52 52 52 3 1 52 33 12 3 1 33 52 3 1 a b a a a 4 FIG. 6 FIG. The restricting portionincludes a first restricting portionand a second restricting portion. The first restricting portionand the second restricting portionare continuously disposed. The first restricting portionhas, for example, a first edge portion (edge portion)and a second edge portion (edge portion). The first edge portionis, for example, disposed with a rearwardly directed gradient toward the upper side in a state where the leveris disposed at the assembly position P(see). For example, the first edge portionabuts the inclined surfaceof the locking armin a state where the leveris disposed at the assembly position P(see). In other words, the inclined surfacecan abut the first edge portionin a state where the leveris disposed at the assembly position P.

3 8 9 FIGS.,, and 52 2 3 2 52 32 32 12 3 2 32 52 3 2 52 32 32 3 2 1 b b b b b b As illustrated in, the second edge portionis, for example, disposed horizontally along the first axial direction of the housingin a state where the leveris disposed at the initial position P. The second edge portioncontacts the lower surfaceof the locking portionin the locking arm, for example, in a state where the leveris disposed at the initial position P. In other words, the locking portioncan abut the second edge portionin a state where the leveris disposed at the initial position P. Since the second edge portionabuts the lower surfaceof the locking portion, the movement of the leverfrom the initial position Pto the assembly position Pcan be restricted.

2 4 FIGS.to 52 33 12 33 32 52 32 32 32 15 44 1 15 33 32 2 15 42 1 42 3 1 2 a b b As illustrated in, the first edge portioncan abut the inclined surfaceof the locking arm. The inclined surfaceis a surface formed on the locking portion. The second edge portioncontacts the lower surfaceof the locking portion. The locking portionis located on the opposite side of the support bossand the support hole. With such a constitution, it is possible to secure a relatively large distance Lfrom the support bossto the inclined surfaceand the locking portion. A distance Lfrom the support bossto the connection portionis configured to be substantially the same as the distance L. The connection portionis, for example, a portion on which an operating force acts when the leveris moved. The distance Land the distance Lwill be described in detail later.

1 3 1 44 3 15 2 1 4 FIGS.to 6 8 FIGS.to 4 FIG. A representative example of assembling the lever-type connectorwill be described with reference toand. The assembly procedure can be arbitrarily selected. As illustrated in, first, in a state where the leveris disposed at the assembly position P, the support holeof the leveris mated with the support bossof the housing.

2 6 FIGS., 7 44 15 52 13 21 52 12 25 52 14 25 52 52 33 12 3 1 2 a As illustrated in, and, in a state where the support holeis mated with the support boss, the first restricting portionis inserted into a space between the restraining walland the side wall. The first restricting portionis inserted into the space between the locking armand the intersection portion. The first restricting portionis inserted into the space between the stopperand the intersection portion. The first edge portionof the first restricting portionabuts the inclined surfaceof the locking arm. In this state, the leveris assembled at the assembly position Pof the housing.

2 6 FIGS.and 3 1 42 3 3 2 52 52 33 12 3 2 31 12 11 52 a a As illustrated in, after the leveris assembled at the assembly position P, an operating force acts on the connection portionof the leverto move the levertoward the initial position P. The first edge portionof the first restricting portionabuts the inclined surfaceof the locking arm. With such a constitution, by moving the levertoward the initial position P, the arm bodyof the locking armelastically deforms toward the right outer side of the housing bodyin response to the first edge portion.

31 33 52 33 52 32 52 52 32 52 3 1 2 a a a When the arm bodyelastically deforms, the inclined surfacemoves along the first edge portion. When the inclined surfacemoves along the first edge portion, the locking portionrides onto the first restricting portionfrom the first edge portion. When the locking portionrides onto the first restricting portion, the levercan be moved from the assembly position Ptoward the initial position P.

3 8 9 FIGS.,, and 3 2 32 52 52 32 52 31 31 32 32 52 52 3 2 1 b b As illustrated in, when the leveris moved to the initial position P, the locking portionmoves above the first restricting portionand disengages from the first restricting portion. When the locking portiondisengages from the first restricting portion, the arm bodyrestores from the elastically deformed state. When the arm bodyrestores, the lower surfaceof the locking portioncontacts the second edge portionof the first restricting portion. In this state, the leveris assembled at the initial position P, and the assembly procedure of the lever-type connectoris completed.

1 3 FIGS.and 1 3 2 200 26 2 200 26 2 200 2 200 2 200 3 2 3 1 200 As illustrated in, in a case where the lever-type connectorin which the leveris assembled to the housingis connected to the male housing, the openingof the housingis mated with the male housing. When the openingof the housingis mated with the male housing, the terminal of the housing(not illustrated) is connected to the terminal of the male housing(not illustrated). In a state where the housingis mated with the male housing, the leveris moved from the initial position Pto the mating position. By moving the leverto the mating position, the procedure of connecting the lever-type connectorto the male housingis completed.

3 2 1 3 8 10 FIGS.andto Next, for example, an example in which the leveris prevented from moving from the initial position Pto the assembly position Pdue to an erroneous operation will be described with reference to.

3 8 9 FIGS.,, and 3 2 1 52 52 32 32 52 32 32 3 2 1 3 1 3 2 1 b b b b As illustrated in, in a case where the leverattempts to move from the initial position Pto the assembly position Pdue to the erroneous operation, the second edge portionof the first restricting portionabuts the lower surfaceof the locking portion. Since the second edge portionabuts the lower surfaceof the locking portion, it is possible to prevent the leverfrom returning from the initial position Pto the assembly position Pdue to an erroneous operation. By preventing the leverfrom returning to the assembly position P, it is possible to prevent the leverfrom disengaging from the housingat the assembly position P.

3 2 1 31 52 32 32 31 52 32 32 14 12 b b b b In a case where the leverattempts to move from the initial position Pto the assembly position Pdue to the erroneous operation, in the arm body, the second edge portionabuts the lower surfaceof the locking portion. It is conceivable that the arm bodyelastically deforms upward when the second edge portionabuts the lower surfaceof the locking portion. The stopperis disposed above the locking armwith a spacing.

10 FIG. 31 14 31 14 12 3 1 3 2 1 As illustrated in, the arm bodycan abut the stopperwhen the arm bodyelastically deforms upward. The stoppercan suppress elastic deformation of the locking arm. With such a constitution, it is possible to prevent the leverfrom returning to the assembly position P. That is, it is possible to prevent the leverfrom disengaging from the housingat the assembly position P.

1 3 51 2 12 12 32 51 12 33 32 51 3 2 1 33 32 52 52 3 1 2 6 FIGS.and a In the lever-type connectoraccording to the first embodiment, as illustrated in, the leverincludes the restricting portion. The housingincludes an elastically deformable locking arm. The locking armhas the locking portionprotruding toward the restricting portion. The locking armhas the inclined surfacethat tapers the locking portion. The restricting portionof the levercan be assembled to the housingat the assembly position P. The inclined surfaceof the locking portioncan abut the first edge portionof the first restricting portionin a state where the leveris disposed at the assembly position P.

3 1 2 31 52 31 11 33 52 52 32 52 33 52 3 1 2 32 52 3 2 1 2 a a 3 FIG. When the levermoves from the assembly position Pto the initial position P, the arm bodyelastically deforms in response to the first edge portion. When the arm bodyelastically deforms toward the right outer side of the housing body, the inclined surfacemoves on the first edge portionand rides on the first restricting portion. The locking portionis movable along the first restricting portionby the inclined surfaceriding on the first restricting portion. The leveris movable from the assembly position Pto the initial position Pwhen the locking portionmoves along the first restricting portion. With such a configuration, the levercan be assembled to the housingat the assembly position Pother than the movable region between the initial position P(see) and the mating position.

3 8 FIGS.and 2 FIG. 1 FIG. 32 32 52 52 3 2 32 32 52 3 2 1 52 32 32 3 2 3 2 2 200 3 2 b b b b b b As illustrated in, the lower surfaceof the locking portioncan abut the second edge portionof the first restricting portionin a state where the leveris disposed at the initial position P. When the lower surfaceof the locking portionabuts the second edge portion, the movement of the leverfrom the initial position Pto the assembly position P(see) is restricted by the second edge portionand the lower surfaceof the locking portion. That is, the leveris held at the initial position P. With such a constitution, it is possible to enhance the retention of the leverwith respect to the housing. Therefore, for example, at the time of work of mating the housingwith the male housing(see), the levercan be made difficult to disengage from the housing.

3 8 9 FIGS.,, and 2 FIG. 2 13 12 13 12 13 52 21 11 3 2 3 2 1 42 3 13 52 21 32 32 52 52 b b As illustrated in, the housingincludes the restraining wallcontinuous with the locking arm. The restraining wallis disposed in the vicinity of the lower side of the locking armin the vertical direction. The restraining wallis disposed at a position overlapping the first restricting portionfrom the opposite side of the side wallof the housing bodyin a state where the leveris disposed at the initial position P. With such a constitution, in a case where the operating force returning the leverfrom the initial position Pto the assembly position P(see) acts on the connection portionof the lever, the restraining wallcan prevent the first restricting portionfrom deforming toward the opposite side of the side wall. Therefore, the lower surfaceof the locking portioncan stably abut the second edge portionof the first restricting portion.

3 8 FIGS.and 2 FIG. 31 12 3 2 1 3 32 32 52 52 31 32 52 31 3 1 b b b b As illustrated in, in the arm bodyof the locking arm, in a case where the operating force returning the leverfrom the initial position Pto the assembly position P(see) acts on the lever, the lower surfaceof the locking portionis pressed upward by the second edge portionof the first restricting portion. It is conceivable that the arm bodyelastically deforms when the lower surfaceis pressed by the second edge portion. When the arm bodyelastically deforms, there is a possibility that the leverreturns to the assembly position P.

10 FIG. 2 14 14 13 12 14 31 3 2 1 3 31 3 2 As illustrated in, the housingincludes the stopper. The stopperis disposed on the side opposite the restraining wallwith respect to the locking arm. With such a constitution, the stoppercan prevent the arm bodyfrom elastically deforming upward in a case where the operating force returning the leverfrom the initial position Pto the assembly position Pacts on the lever. Therefore, the arm bodycan hold the leverat the initial position Pwithout increasing the strength.

2 6 FIGS.and 31 31 42 3 31 33 52 52 33 52 32 51 3 1 2 42 3 33 b b As illustrated in, the arm bodydoes not need to be increased in strength and thus can appropriately deform elastically. With such a configuration, the arm bodycan appropriately elastically deform in a state where the operating force acting on the connection portionof the leveris suppressed to be small. When the arm bodyappropriately deforms elastically, the inclined surfacecan be moved along the second edge portionof the first restricting portion. When the inclined surfacemoves along the second edge portion, the locking portioncan ride onto the restricting portion. Therefore, the leveris appropriately movable from the assembly position Pto the initial position P. The operating force acting on the connection portionof the levercan be adjusted by changing the inclination angle of the inclined surface.

2 3 FIGS.and 3 44 44 52 2 15 15 3 44 52 15 2 52 52 33 12 52 52 32 32 12 a b b As illustrated in, the leverhas the support hole. The support holeis located on the opposite side of the first restricting portion. The housinghas the support boss. The support bossrotatably supports the leverby the support holebeing assembled. With such a constitution, the first restricting portioncan be disposed relatively largely away from the support bossof the housing. The first edge portionof the first restricting portioncan abut the inclined surfaceof the locking arm. The second edge portionof the first restricting portioncan abut the lower surfaceof the locking portionin the locking arm.

1 15 33 32 3 52 33 1 2 15 42 3 52 32 32 3 2 1 31 12 a b b That is, the relatively large distance Lfrom the support bossto the inclined surfaceand the locking portionis secured. Therefore, the levercan appropriately suppress the pressing force transmitted from the first edge portionto the inclined surfacein a “leverage ratio” between the distance Land the distance Lfrom the support bossto the connection portionof the lever. The pressing force transmitted from the second edge portionto the lower surfaceof the locking portioncan be appropriately suppressed. With such a constitution, for example, it is possible to appropriately suppress an erroneous movement of the leverfrom the initial position Pto the assembly position Pwithout increasing the strength of the arm body(that is, the locking arm) more than necessary.

11 FIG. 11 FIG. 100 12 102 100 1 102 104 102 12 Next, a second embodiment will be described with reference to. In the second embodiment, the same or similar constitution members as those of the first embodiment are denoted by the same reference numbers, and detailed description thereof will be omitted. As illustrated in, a lever-type connectoris obtained by replacing the locking armof the first embodiment with a locking arm. Other constitutions of the lever-type connectorare similar to those of the lever-type connectorof the first embodiment. The locking armhas a protrusion. Other constitutions of the locking armare similar to those of the locking armof the first embodiment.

104 31 31 104 31 14 104 14 104 104 14 14 d d a a The protrusionis integrally provided on the upper surfaceat the distal end portion of the arm body. The protrusionprotrudes from the upper surfacetoward the stopper. The upper surface of the protrusionis disposed with a spacing from the stopper. The upper surfaceof the protrusionis formed to be flat along the lower surfaceof the stopper.

100 3 2 1 42 3 52 52 32 32 31 52 32 32 31 104 104 14 14 2 FIG. 3 FIG. b b b b a a In the lever-type connectoraccording to the second embodiment, in a case where the operating force returning the leverfrom the initial position Pto the assembly position P(see) acts on the connection portion(see) of the lever, the second edge portionof the first restricting portionpresses the lower surfaceof the locking portion. It is conceivable that the arm bodyelastically deforms upward when the second edge portionpresses the lower surfaceof the locking portion. In a case where the arm bodyelastically deforms upward, the upper surfaceof the protrusionabuts the lower surfaceof the stopper.

104 31 104 3 2 104 3 2 With such a constitution, the protrusioncan adjust the elastic deformation of the arm body. Therefore, the protrusioncan enhance the retention of the leverto the initial position P. The protrusioncan suppress the variation of the leverat the initial position P.

100 1 In the lever-type connectoraccording to the second embodiment, it is possible to obtain the same operation and effect as those of the lever-type connectoraccording to the first embodiment.

Several embodiments and modification examples have been described above. However, the embodiments and the modification examples are not limited to the examples described above. For example, a plurality of embodiments may be implemented in combination with each other.

1 100 ,Lever-type connector

2 Housing

3 Lever

12 102 ,Locking arm

13 Restraining wall

14 Stopper

15 Support Boss

21 Side wall

31 Arm body

32 Locking portion

33 Inclined surface

44 Support hole

51 Restricting portion

52 First restricting portion

52 a First edge portion (edge portion)

52 b Second edge portion (edge portion)

104 Protrusion

200 Male housing (another housing)

1 PAssembly position

2 PInitial position